ReactingMultiphaseParcel.H

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/*---------------------------------------------------------------------------*\
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    Copyright (C) 2011-2017 OpenFOAM Foundation
    Copyright (C) 2016-2019 OpenCFD Ltd.
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License
    This file is part of OpenFOAM.
 
    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.
 
    You should have received a copy of the GNU General Public License
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
Class
    Foam::ReactingMultiphaseParcel
 
Group
    grpLagrangianIntermediateParcels
 
Description
    Multiphase variant of the reacting parcel class with one/two-way coupling
    with the continuous phase.
 
SourceFiles
    ReactingMultiphaseParcelI.H
    ReactingMultiphaseParcel.C
    ReactingMultiphaseParcelIO.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef ReactingMultiphaseParcel_H
#define ReactingMultiphaseParcel_H
 
#include "particle.H"
#include "SLGThermo.H"
#include "demandDrivenEntry.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
template<class ParcelType> class ReactingMultiphaseParcel;
 
template<class ParcelType>
Ostream& operator<<(Ostream&, const ReactingMultiphaseParcel<ParcelType>&);
 
/*---------------------------------------------------------------------------*\
                  Class ReactingMultiphaseParcel Declaration
\*---------------------------------------------------------------------------*/
 
template<class ParcelType>
class ReactingMultiphaseParcel
:
    public ParcelType
{
public:
 
    //- Size in bytes of the fields
    static const std::size_t sizeofFields;
 
 
    // IDs of phases in ReactingParcel phase list (Y)
 
        static const label GAS;
        static const label LIQ;
        static const label SLD;
 
 
    //- Class to hold reacting multiphase particle constant properties
    class constantProperties
    :
        public ParcelType::constantProperties
    {
        // Private data
 
            //- Devolatilisation activation temperature [K]
            demandDrivenEntry<scalar> TDevol_;
 
            //- Latent heat of devolatilisation [J/kg]
            demandDrivenEntry<scalar> LDevol_;
 
            //- Fraction of enthalpy retained by parcel due to surface
            //  reactions
            demandDrivenEntry<scalar> hRetentionCoeff_;
 
 
    public:
 
        // Constructors
 
            //- Null constructor
            constantProperties();
 
            //- Copy constructor
            constantProperties(const constantProperties& cp);
 
            //- Construct from dictionary
            constantProperties(const dictionary& parentDict);
 
 
        // Access
 
            //- Return const access to the devolatilisation temperature
            inline scalar TDevol() const;
 
            //- Return const access to the latent heat of devolatilisation
            inline scalar LDevol() const;
 
            //- Return const access to the fraction of enthalpy retained by
            //  parcel due to surface reactions
            inline scalar hRetentionCoeff() const;
    };
 
 
    //- Use base tracking data
    typedef typename ParcelType::trackingData trackingData;
 
 
private:
 
    // Private Member Functions
 
        //- Return the mixture effective specific heat capacity
        template<class TrackCloudType>
        scalar CpEff
        (
            TrackCloudType& cloud,
            trackingData& td,
            const scalar p,
            const scalar T,
            const label idG,
            const label idL,
            const label idS
        ) const;
 
        //- Return the mixture effective sensible enthalpy
        template<class TrackCloudType>
        scalar HsEff
        (
            TrackCloudType& cloud,
            trackingData& td,
            const scalar p,
            const scalar T,
            const label idG,
            const label idL,
            const label idS
        ) const;
 
        //- Return the mixture effective latent heat
        template<class TrackCloudType>
        scalar LEff
        (
            TrackCloudType& cloud,
            trackingData& td,
            const scalar p,
            const scalar T,
            const label idG,
            const label idL,
            const label idS
        ) const;
 
        //- Update the mass fractions (Y, YGas, YLiquid, YSolid)
        scalar updateMassFractions
        (
            const scalar mass0,
            const scalarField& dMassGas,
            const scalarField& dMassLiquid,
            const scalarField& dMassSolid
        );
 
 
protected:
 
    // Protected data
 
        // Parcel properties
 
            //- Mass fractions of gases []
            scalarField YGas_;
 
            //- Mass fractions of liquids []
            scalarField YLiquid_;
 
            //- Mass fractions of solids []
            scalarField YSolid_;
 
            //- Flag to identify if the particle can devolatilise and combust
            //  Combustion possible only after volatile content falls below
            //  threshold value.  States include:
            //  0 = can devolatilise, cannot combust but can change
            //  1 = can devolatilise, can combust
            // -1 = cannot devolatilise or combust, and cannot change
            label canCombust_;
 
 
    // Protected Member Functions
 
        //- Calculate Devolatilisation
        template<class TrackCloudType>
        void calcDevolatilisation
        (
            TrackCloudType& cloud,
            trackingData& td,
            const scalar dt,           // timestep
            const scalar age,          // age
            const scalar Ts,           // surface temperature
            const scalar d,            // diameter
            const scalar T,            // temperature
            const scalar mass,         // mass
            const scalar mass0,        // mass (initial on injection)
            const scalarField& YGasEff,// gas component mass fractions
            const scalarField& YLiquidEff,// liquid component mass fractions
            const scalarField& YSolidEff,// solid component mass fractions
            label& canCombust,          // 'can combust' flag
            scalarField& dMassDV,      // mass transfer - local to particle
            scalar& Sh,                // explicit particle enthalpy source
            scalar& N,                 // flux of species emitted from particle
            scalar& NCpW,              // sum of N*Cp*W of emission species
            scalarField& Cs            // carrier conc. of emission species
        ) const;
 
        //- Calculate surface reactions
        template<class TrackCloudType>
        void calcSurfaceReactions
        (
            TrackCloudType& cloud,
            trackingData& td,
            const scalar dt,           // timestep
            const scalar d,            // diameter
            const scalar Re,           // Re
            const scalar nu,           // nu
            const scalar T,            // temperature
            const scalar mass,         // mass
            const label canCombust,     // 'can combust' flag
            const scalar N,            // flux of species emitted from particle
            const scalarField& YMix,   // mixture mass fractions
            const scalarField& YGas,   // gas-phase mass fractions
            const scalarField& YLiquid,// liquid-phase mass fractions
            const scalarField& YSolid, // solid-phase mass fractions
            scalarField& dMassSRGas,   // gas-phase mass transfer - local
            scalarField& dMassSRLiquid,// liquid-phase mass transfer - local
            scalarField& dMassSRSolid, // solid-phase mass transfer - local
            scalarField& dMassSRCarrier, // carrier phase mass transfer
            scalar& Sh,                // explicit particle enthalpy source
            scalar& dhsTrans           // sensible enthalpy transfer to carrier
        ) const;
 
 
public:
 
    // Static data members
 
        //- Runtime type information
        TypeName("ReactingMultiphaseParcel");
 
        //- String representation of properties
        AddToPropertyList
        (
            ParcelType,
            " nGas(Y1..YN)"
          + " nLiquid(Y1..YN)"
          + " nSolid(Y1..YN)"
        );
 
 
    // Constructors
 
        //- Construct from mesh, position and topology
        //  Other properties initialised as null
        inline ReactingMultiphaseParcel
        (
            const polyMesh& mesh,
            const barycentric& coordinates,
            const label celli,
            const label tetFacei,
            const label tetPti
        );
 
        //- Construct from a position and a cell, searching for the rest of the
        //  required topology. Other properties are initialised as null.
        inline ReactingMultiphaseParcel
        (
            const polyMesh& mesh,
            const vector& position,
            const label celli
        );
 
        //- Construct from components
        inline ReactingMultiphaseParcel
        (
            const polyMesh& mesh,
            const barycentric& coordinates,
            const label celli,
            const label tetFacei,
            const label tetPti,
            const label typeId,
            const scalar nParticle0,
            const scalar d0,
            const scalar dTarget0,
            const vector& U0,
            const vector& f0,
            const vector& angularMomentum0,
            const vector& torque0,
            const scalarField& Y0,
            const scalarField& YGas0,
            const scalarField& YLiquid0,
            const scalarField& YSolid0,
            const constantProperties& constProps
        );
 
        //- Construct from Istream
        ReactingMultiphaseParcel
        (
            const polyMesh& mesh,
            Istream& is,
            bool readFields = true,
            bool newFormat = true
        );
 
        //- Construct as a copy
        ReactingMultiphaseParcel(const ReactingMultiphaseParcel& p);
 
        //- Construct as a copy
        ReactingMultiphaseParcel
        (
            const ReactingMultiphaseParcel& p,
            const polyMesh& mesh
        );
 
        //- Construct and return a (basic particle) clone
        virtual autoPtr<particle> clone() const
        {
            return autoPtr<particle>(new ReactingMultiphaseParcel(*this));
        }
 
        //- Construct and return a (basic particle) clone
        virtual autoPtr<particle> clone(const polyMesh& mesh) const
        {
            return autoPtr<particle>(new ReactingMultiphaseParcel(*this, mesh));
        }
 
        //- Factory class to read-construct particles used for
        //  parallel transfer
        class iNew
        {
            const polyMesh& mesh_;
 
        public:
 
            iNew(const polyMesh& mesh)
            :
                mesh_(mesh)
            {}
 
            autoPtr<ReactingMultiphaseParcel<ParcelType>> operator()
            (
                Istream& is
            ) const
            {
                return autoPtr<ReactingMultiphaseParcel<ParcelType>>
                (
                    new ReactingMultiphaseParcel<ParcelType>(mesh_, is, true)
                );
            }
        };
 
 
    // Member Functions
 
        // Access
 
            //- Return const access to mass fractions of gases
            inline const scalarField& YGas() const;
 
            //- Return const access to mass fractions of liquids
            inline const scalarField& YLiquid() const;
 
            //- Return const access to mass fractions of solids
            inline const scalarField& YSolid() const;
 
            //- Return const access to the canCombust flag
            inline label canCombust() const;
 
 
        // Edit
 
            //- Return access to mass fractions of gases
            inline scalarField& YGas();
 
            //- Return access to mass fractions of liquids
            inline scalarField& YLiquid();
 
            //- Return access to mass fractions of solids
            inline scalarField& YSolid();
 
            //- Return access to the canCombust flag
            inline label& canCombust();
 
 
        // Main calculation loop
 
            //- Set cell values
            template<class TrackCloudType>
            void setCellValues(TrackCloudType& cloud, trackingData& td);
 
            //- Correct cell values using latest transfer information
            template<class TrackCloudType>
            void cellValueSourceCorrection
            (
                TrackCloudType& cloud,
                trackingData& td,
                const scalar dt
            );
 
            //- Update parcel properties over the time interval
            template<class TrackCloudType>
            void calc
            (
                TrackCloudType& cloud,
                trackingData& td,
                const scalar dt
            );
 
 
        // I-O
 
            //- Read - composition supplied
            template<class CloudType, class CompositionType>
            static void readFields
            (
                CloudType& c,
                const CompositionType& compModel
            );
 
            //- Read - no composition
            template<class CloudType>
            static void readFields(CloudType& c);
 
            //- Write - composition supplied
            template<class CloudType, class CompositionType>
            static void writeFields
            (
                const CloudType& c,
                const CompositionType& compModel
            );
 
            //- Read - no composition
            template<class CloudType>
            static void writeFields(const CloudType& c);
 
            //- Write individual parcel properties to stream
            void writeProperties
            (
                Ostream& os,
                const wordRes& filters,
                const word& delim,
                const bool namesOnly = false
            ) const;
 
            //- Read particle fields as objects from the obr registry
            //  - no composition
            template<class CloudType>
            static void readObjects
            (
                CloudType& c,
                const objectRegistry& obr
            );
 
            //- Read particle fields as objects from the obr registry
            template<class CloudType, class CompositionType>
            static void readObjects
            (
                CloudType& c,
                const CompositionType& compModel,
                const objectRegistry& obr
            );
 
            //- Write particle fields as objects into the obr registry
            //  - no composition
            template<class CloudType>
            static void writeObjects
            (
                const CloudType& c,
                objectRegistry& obr
            );
 
            //- Write particle fields as objects into the obr registry
            template<class CloudType, class CompositionType>
            static void writeObjects
            (
                const CloudType& c,
                const CompositionType& compModel,
                objectRegistry& obr
            );
 
 
    // Ostream Operator
 
        friend Ostream& operator<< <ParcelType>
        (
            Ostream&,
            const ReactingMultiphaseParcel<ParcelType>&
        );
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#include "ReactingMultiphaseParcelI.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#ifdef NoRepository
    #include "ReactingMultiphaseParcel.C"
#endif
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //